$155+ Cheap flights from Colorado Springs to Boise (COS - BOI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
COS — BOI
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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Find cheap flights from Colorado Springs to Boise with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado Springs to Boise
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Best
Last-minute
One-way
Cheapest flights from Colorado Springs to BoiseExplore the most affordable flight options available from Colorado Springs to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
Explore the most affordable flight options available from Colorado Springs to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 pm
COS
- BOI
1 stop18h 40m
Allegiant Air
Sun 11/16:44 pm
BOI
- COS
1 stop18h 32m
Allegiant Air
Deal found 7/27![Allegiant Air logo]()
$282
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:20 pm
COS
- BOI
1 stop5h 05m
Southwest
Thu 8/207:30 am
BOI
- COS
1 stop6h 45m
Southwest
Deal found 7/27![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:20 pm
COS
- BOI
1 stop5h 10m
Southwest
Fri 9/184:55 pm
BOI
- COS
1 stop5h 00m
Southwest
Deal found 7/28![Southwest logo]()
$318
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
COS
- BOI
2 stops8h 35m
Southwest
Tue 9/16:25 am
BOI
- COS
2 stops9h 15m
Southwest
Deal found 7/28![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:55 am
COS
- BOI
1 stop6h 45m
Southwest
Sun 9/136:00 am
BOI
- COS
1 stop5h 35m
Southwest
Deal found 7/26![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:30 am
COS
- BOI
1 stop5h 20m
Southwest
Sun 8/306:00 am
BOI
- COS
1 stop5h 35m
Southwest
Deal found 7/26![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:45 pm
COS
- BOI
1 stop4h 55m
Southwest
Sun 9/275:40 pm
BOI
- COS
1 stop5h 05m
Southwest
Deal found 7/28![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:40 pm
COS
- BOI
1 stop5h 40m
Southwest
Sat 8/157:45 am
BOI
- COS
1 stop4h 25m
Southwest
Deal found 7/24![Southwest logo]()
$365
Best flights from Colorado Springs to BoiseDiscover carefully curated flight deals from Colorado Springs to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
Discover carefully curated flight deals from Colorado Springs to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:15 pm
COS
- BOI
1 stop6h 30m
Southwest
Mon 9/214:55 pm
BOI
- COS
1 stop5h 00m
Southwest
Deal found 7/27![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:30 am
COS
- BOI
1 stop4h 22m
United Airlines
Sun 11/15:44 pm
BOI
- COS
1 stop3h 38m
United Airlines
Deal found 7/27![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:15 pm
COS
- BOI
2 stops9h 10m
Southwest
Thu 8/2010:25 am
BOI
- COS
1 stop7h 40m
Southwest
Deal found 7/27![Southwest logo]()
$314
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:55 am
COS
- BOI
1 stop6h 45m
Southwest
Sun 9/136:00 am
BOI
- COS
1 stop5h 35m
Southwest
Deal found 7/26![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:45 pm
COS
- BOI
1 stop4h 55m
Southwest
Sun 9/275:40 pm
BOI
- COS
1 stop5h 05m
Southwest
Deal found 7/28![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:40 pm
COS
- BOI
1 stop5h 40m
Southwest
Sat 8/157:45 am
BOI
- COS
1 stop4h 25m
Southwest
Deal found 7/24![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm
COS
- BOI
1 stop4h 45m
Southwest
Sun 11/110:15 am
BOI
- COS
2 stops9h 45m
Southwest
Deal found 7/27![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:30 am
COS
- BOI
1 stop5h 00m
Southwest
Sun 8/3012:30 pm
BOI
- COS
2 stops9h 30m
Southwest
Deal found 7/26![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:20 pm
COS
- BOI
1 stop5h 05m
Southwest
Sun 8/166:00 am
BOI
- COS
1 stop5h 35m
Southwest
Deal found 7/24![Southwest logo]()
$419
Last-minute flights from Colorado Springs to BoiseDiscover last-minute flight deals from Colorado Springs to Boise. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Boise. Data last updated July 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:30 am
COS
- BOI
1 stop4h 23m
United Airlines
Wed 8/125:44 pm
BOI
- COS
1 stop6h 11m
United Airlines
Deal found 7/24![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:40 pm
COS
- BOI
1 stop5h 40m
Southwest
Sat 8/157:45 am
BOI
- COS
1 stop4h 25m
Southwest
Deal found 7/24![Southwest logo]()
$365
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:16 pm
COS
- BOI
1 stop5h 43m
Delta
Sun 8/1611:12 am
BOI
- COS
1 stop6h 24m
Delta
Deal found 7/24![Delta logo]()
$410
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:20 pm
COS
- BOI
1 stop5h 05m
Southwest
Sun 8/166:00 am
BOI
- COS
1 stop5h 35m
Southwest
Deal found 7/24![Southwest logo]()
$419
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:20 pm
COS
- BOI
1 stop5h 05m
Southwest
Thu 8/207:30 am
BOI
- COS
1 stop6h 45m
Southwest
Deal found 7/27![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:30 am
COS
- BOI
1 stop5h 20m
Southwest
Sun 8/306:00 am
BOI
- COS
1 stop5h 35m
Southwest
Deal found 7/26![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:15 am
COS
- BOI
2 stops8h 35m
Southwest
Tue 9/16:25 am
BOI
- COS
2 stops9h 15m
Southwest
Deal found 7/28![Southwest logo]()
$319
One-way flights from Colorado Springs to BoiseSearch for one-way flight options from Colorado Springs to Boise. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
Search for one-way flight options from Colorado Springs to Boise. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
COS
- BOI
1 stop6h 38m
United Airlines
Deal found 7/27![United Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:20 am
COS
- BOI
2 stops6h 20m
Southwest
Deal found 7/27![Southwest logo]()
$160
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:00 am
COS
- BOI
2 stops8h 49m
American Airlines
Deal found 7/27![American Airlines logo]()
$508
Find flight deals from Colorado Springs to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $282 (Kiwi.com) |
One-way from | $155 (United Airlines) |
Popular in | July |
Cheapest in | October |
Average price | $610 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado Springs to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Colorado Springs to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Mon 9/14
2:15 pm-8:45 pm
1 stop6h 30m
Boise Air Term. Gowen Fld
Mon 9/21
4:55 pm-9:55 pm
1 stop5h 00m
$309
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Wed 8/19
1:15 pm-10:25 pm
2 stops9h 10m
Boise Air Term. Gowen Fld
Thu 8/20
10:25 am-6:05 pm
1 stop7h 40m
$314
Quickest round-trip
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Thu 10/29
5:30 am-9:52 am
1 stop4h 22m
Boise Air Term. Gowen Fld
Sun 11/1
5:44 pm-9:22 pm
1 stop3h 38m
$328
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Wed 9/9
6:55 am-1:40 pm
1 stop6h 45m
Boise Air Term. Gowen Fld
Sun 9/13
6:00 am-11:35 am
1 stop5h 35m
$328
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Thu 9/24
6:45 pm-11:40 pm
1 stop4h 55m
Boise Air Term. Gowen Fld
Sun 9/27
5:40 pm-10:45 pm
1 stop5h 05m
$363
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Tue 8/11
5:40 pm-11:20 pm
1 stop5h 40m
Boise Air Term. Gowen Fld
Sat 8/15
7:45 am-12:10 pm
1 stop4h 25m
$365
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Thu 10/29
8:55 pm-1:40 am
1 stop4h 45m
Boise Air Term. Gowen Fld
Sun 11/1
10:15 am-8:00 pm
2 stops9h 45m
$368
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Sun 8/23
5:30 am-10:30 am
1 stop5h 00m
Boise Air Term. Gowen Fld
Sun 8/30
12:30 pm-10:00 pm
2 stops9h 30m
$397
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Tue 8/11
5:20 pm-10:25 pm
1 stop5h 05m
Boise Air Term. Gowen Fld
Sun 8/16
6:00 am-11:35 am
1 stop5h 35m
$419
Cheapest one-way
Quickest one-way
Colorado SpringsBoise
COS - BOI
COSBOI
Colorado Springs
Sat 9/26
7:30 am-12:15 pm
1 stop4h 45m
$155
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Colorado Springs to Boise
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Colorado Springs to Boise in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Colorado Springs-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colorado Springs-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colorado Springs-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Colorado Springs-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Colorado Springs-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Colorado Springs to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Colorado Springs with our price prediction graph.
COS-BOI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado Springs to Boise
What is the cheapest month to book a flight from Colorado Springs to Boise?
Currently, October is the cheapest month in which you can book a flight from Colorado Springs to Boise (average of $293). Flying from Colorado Springs to Boise in July is currently the most expensive (average of $610). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Colorado Springs to Boise?
Airfare is below average for this route at the moment.
Colorado Springs to Boise flights typically cost between $398 and $472 in October.The cheapest round-trip price found within the last 5 days was $282 on Allegiant Air (Oct 29-Nov 1).
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated July 29, 2026.
Read through reviews of airlines operating flights from Colorado Springs to Boise, such as Southwest and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Colorado Springs to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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Colorado Springs and Boise flights
Browse other Colorado Springs and Boise flight options. Last updated on July 29, 2026.
Other flights from Colorado Springs
Browse through other flights departing from Colorado Springs. Flights are based on user searches made on Cheapflights and were last updated on July 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Colorado Springs to Boise
Discover the top 2 airlines that operate flights from Colorado Springs to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$397 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$266 | Average$386 | FlexibilityNo cancel fee | On-time69% |